RDFa 1.1

Whenever one wants to use RDFa 1.1 one uses [HTML5](/blog/529/). In HTML5 one has to say in the HTML Tag which Version of HTML one uses, i.e. [HTML](/blog/528/)+[RDFa 1.1](/blog/881/) and one can define Namespaces that might be required within the Document.

RDFa Primer 1.1 [http://www.w3.org/TR/xhtml-rdfa-primer/]

    http://www.w3.org/1999/02/22-rdf-syntax-ns#">](http://www.w3.org/1999/02/22-rdf-syntax-ns#)]
    ...